summaryrefslogtreecommitdiff
path: root/drivers/gpu/vga/vga_switcheroo.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/vga/vga_switcheroo.c')
-rw-r--r--drivers/gpu/vga/vga_switcheroo.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
index c3c213b74478..463691a1650e 100644
--- a/drivers/gpu/vga/vga_switcheroo.c
+++ b/drivers/gpu/vga/vga_switcheroo.c
@@ -266,6 +266,7 @@ vga_switcheroo_debugfs_write(struct file *filp, const char __user *ubuf,
const char *pdev_name;
int i, ret;
bool delay = false, can_switch;
+ bool just_mux = false;
int client_id = -1;
struct vga_switcheroo_client *client = NULL;
@@ -320,6 +321,15 @@ vga_switcheroo_debugfs_write(struct file *filp, const char __user *ubuf,
if (strncmp(usercmd, "DIS", 3) == 0)
client_id = VGA_SWITCHEROO_DIS;
+ if (strncmp(usercmd, "MIGD", 3) == 0) {
+ just_mux = true;
+ client_id = VGA_SWITCHEROO_IGD;
+ }
+ if (strncmp(usercmd, "MDIS", 3) == 0) {
+ just_mux = true;
+ client_id = VGA_SWITCHEROO_DIS;
+ }
+
if (client_id == -1)
goto out;
@@ -331,6 +341,12 @@ vga_switcheroo_debugfs_write(struct file *filp, const char __user *ubuf,
}
vgasr_priv.delayed_switch_active = false;
+
+ if (just_mux) {
+ ret = vgasr_priv.handler->switchto(client_id);
+ goto out;
+ }
+
/* okay we want a switch - test if devices are willing to switch */
can_switch = true;
for (i = 0; i < VGA_SWITCHEROO_MAX_CLIENTS; i++) {